Biomarkers
Scientists Want a Speedometer for Aging. These 12 Signals Could Be the Start
Researchers propose 12 biological signals that might reveal whether aging is currently moving faster or slower. The candidates come mostly from mouse…
People Age Along Different Biological Paths, an Eight-Year Study Finds
Repeated measurements in 335 women show that molecular aging can follow very different paths. The findings challenge simple averages, not establish a…
Which Aging Clocks Actually Respond to Longevity Interventions?
A harmonized analysis of 51 human studies found that newer DNA methylation biomarkers respond more consistently than early epigenetic clocks. A responsive…